治疗落枕的主穴是()

A.天柱、肩井、天髂、肩贞

B.养老、后溪、合谷、阳池

C.阿是穴、外关、合谷、肩井

D.阿是穴、外劳宫、后溪、悬钟

E.后溪、外关、束骨、昆仑

When preparing to give a neonate the first feeding by nipple, the nurse uses a 5 mL feeding of sterile water first. Which of the following is the reason for doing so

A．Ensure that the neonate has the energy to take oral feedings.

B．Ensure that the mother will be able to feed the neonate.

C．Ascertain the patency of the neonate's esophagus.

D．Determine if the neonate can retain the feeding.